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13043432000 = 26531630429
BaseRepresentation
bin11000010010111001…
…01111101001000000
31020200000111222222002
430021130233221000
5203203104311000
65554142003132
7641141225354
oct141134575100
936600458862
1013043432000
11559374a575
1226402764a8
1312cb39a701
148ba433464
155151808d5
hex30972fa40

13043432000 has 56 divisors (see below), whose sum is σ = 32302079160. Its totient is φ = 5217369600.

The previous prime is 13043431979. The next prime is 13043432027. The reversal of 13043432000 is 23434031.

It can be written as a sum of positive squares in 4 ways, for example, as 1531000384 + 11512431616 = 39128^2 + 107296^2 .

It is a super-2 number, since 2×130434320002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 807215 + ... + 823214.

Almost surely, 213043432000 is an apocalyptic number.

13043432000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13043432000 is an abundant number, since it is smaller than the sum of its proper divisors (19258647160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13043432000 is an equidigital number, since it uses as much as digits as its factorization.

13043432000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1630456 (or 1630436 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 13043432000 its reverse (23434031), we get a palindrome (13066866031).

The spelling of 13043432000 in words is "thirteen billion, forty-three million, four hundred thirty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 800 1000 1600 2000 4000 8000 1630429 3260858 6521716 8152145 13043432 16304290 26086864 32608580 40760725 52173728 65217160 81521450 104347456 130434320 163042900 203803625 260868640 326085800 407607250 521737280 652171600 815214500 1304343200 1630429000 2608686400 3260858000 6521716000 13043432000